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The Packaging Rap
SKS Bottle & Packaging Newsletter

PET Boston Rounds

February 2017

SKS Bottle & Packaging offers PET boston rounds in an array of sizes and colors. These versatile bottles are offered in seven colors and could be used to package products in industries like amenity, pet care, spa, hair care, and more! Boston rounds can be paired with dispensing caps and non-dispensing caps, both available in ribbed or smooth to meet many different needs.

PET (Polyethylene Terephthalate)

PET, also known as polyethylene terephthalate, is a great packaging material for many reasons. PET has good heat resistance and can be hot-filled up to 160° F. This durable material offers a good barrier to gas and moisture and is highly resistant to dilute acids, oils, and alcohols, which could be favorable characteristics when looking to package cleaning materials or hair care products. While PET is widely used in clear, there are opaque options available. Opt for white or black boston rounds stocked by SKS in a range of sizes. If packaging light-sensitive materials, darker colors like green or amber would be best for blocking UV rays. PET bottles are recyclable and can be used for many different goods such as ski coat fibers and sleeping bag lining.

Lotion Pumps

PET boston rounds can be paired with a variety of lotion pumps to package soaps, cosmetic lotions, hair care products, and more. Select lotion pumps paired with these bottles can be set in a lock position to prevent unwanted discharge. White lotion pumps with brushed aluminum collars with clear and white PET boston rounds could create a unique packaging option sure to make any product stand out on the shelf! SKS offers amber, clear, black, blue and purple PET boston rounds with black pumps in sizes ranging from 1 oz to 16 oz. White lotion pumps are paired with various sizes of amber, clear, blue, green, and matching white PET boston rounds. The larger sizes are compatible with lotion pumps while the 1 oz, 2 oz, and 4 oz sizes are compatible with treatment pumps, designed for dispensing smaller amounts of a product like makeup, serums, or face wash and cleansers. SKS also offers the larger PET boston rounds with 2 cc lotion pumps to dispense a larger amount of product. Available in white, black, and natural, these pumps could be a good option for dispensing high viscosity products like gels and hand creams.


SKS pairs a wide range of ribbed fine mist sprayers with PET boston rounds, great for packaging products that should be applied by mist such as body sprays, hair products, or room fresheners. All fine mist sprayers offered by SKS are paired with clear overcaps to prevent unwanted discharge. In addition to ribbed white and black fine mist sprayers, SKS offers smooth white and black sprayers compatible with 2 oz PET boston rounds in a variety of colors. Clear and white PET boston rounds are offered in sizes from 1 oz to 12 oz with white sprayers featuring smooth brushed aluminum collars. Think a different color combination would better suit your needs? Purchase sprayers and PET boston rounds separately to customize packaging specific to your brand!If packaging products with higher viscosity, a mini trigger sprayer could be a good option. Available in both white and black, these sprayers have an output of 0.2 cc and are offered with 8 oz, 12 oz, and 16 oz clear boston rounds. Each mini trigger sprayer features a button along the neck to lock and unlock the trigger lever. Locking this mechanism prevents products from dispensing during shipment.

Disc Top Caps

Disc top caps are favorable caps eliminating the need to remove the caps to dispense the product. Instead, simply press down on the cap to open. Available in many colors and sizes, disc top caps can be paired with PET boston rounds to dispense products like body wash, lotions, and pet care products. Clear, amber, blue, black, purple, and green boston rounds can be purchased with black disc top caps in sizes ranging from 2 oz to 16 oz. Additionally, SKS offers many size and color combinations of PET boston rounds with natural, gold and silver disc top caps. For a unique packaging option, order disc top caps and bottles separately, and create a combination not offered together.SKS now has disc top caps with PS22 or Induction liners in black and white. The PS22 liner provides a tamper evident seal under the cap with no machine required. You will simply fill your bottle, screw on the disc top cap, and leave in place for roughly 24 hours. For an even more secure seal, SKS offers Induction lined disc top caps. When the Induction liners are applied with the Induction sealing machine the liner creates an airtight seal to help prevent leakage.

Twist Top Caps

PET boston rounds can also be paired with twist top caps, available in various colors, and used to dispense a small amount of product to a targeted area. Boston rounds with twist top caps could be used to package products like glues, paints, inks, and more. To dispense, twist the top portion of the cap clockwise to expose the orifice on the tip of the cap. Hold the bottle so the cap is face down, and gently squeeze to gradually release the product. SKS offers clear PET boston rounds from 2 oz to 16 oz with twist top caps in black, and black with natural tips. Additionally, twist top caps are available in white, natural, and red, and can be paired with a wide range of containers to create a customized look for your product. Visit one of the twist top cap pages and select the add-ons option to view compatible containers.

Non-Dispensing Caps

SKS offers a large selection of non-dispensing caps with threaded finishes to pair with PET boston rounds. These caps are versatile, making them easy to tie into existing product lines or for starting a new one. Try white or black screw thread caps with any of the seven PET boston rounds colors, to package cleaning products, spa products, or cosmetics. Lined aluminum caps are offered with clear PET boston rounds in six sizes from 1 oz to 16 oz, as well as amber, blue, and green boston rounds in 1 oz, 2 oz, 4 oz, and 8 oz sizes. Smooth black dome caps paired with smaller amber, clear and blue PET boston rounds could make for a stylish packaging option.

SKS offers many combinations of colored PET boston rounds with both dispensing and non-dispensing caps. Don't see the combination of bottles and caps to fit the needs of your brand? Purchase compatible containers and caps separately to customize packaging for your unique product.

Packaging Tip

PET Boston Round Info

PET is one of the most commonly used plastics in any packaging industry, offered in many sizes, and built to suit a range of needs. The simple shape of a boston round eliminates the need for a specialty label, and can easily integrate into an existing product line, or a good starting point. Boston rounds have common neck finishes, which makes finding a suitable caps, whether it be dispensing or not, simple and easy. Lastly, PET is a lightweight material which helps to cut down on shipping costs.

Product of the Month

Child Resistant Droppers

SKS now offers child resistant bulb glass droppers. These droppers feature black ribbed collars and glass pipettes in three lengths compatible with 1/2 oz, 1, oz, and 2 oz glass boston rounds. These droppers are compatible with clear, frosted, blue, and amber glass boston rounds. If looking to safely package pharmaceuticals, chemicals, or liquid food products, these glass boston rounds with black child resistant droppers could be a good option. Simply push down on the plastic portion of the closure and turn counterclockwise to open. To use these droppers squeeze the bulb and put the tip of the dropper into the liquid, while it is in the liquid release the pressure on the bulb allowing the liquid to flow into the pipette, then remove the pipette from the liquid. To release the liquid from the pipette gently push down again on the bulb. When finished dispensing product, place closure on top of the bottle and turning clockwise to close.

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