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Jaybird & Mais 50

Jaybird & Mais 50 Foam Underwrap / Pre-Wrap

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  • Quantity
    View Full Pricing Table
    View "Full Pricing Table" below for detailed pricing and additional sizes!
  • Color
  • Roll Size *
    2-3/4 in. x 30 yds.
    Purchased Most Frequently: 2-3/4 in. x 30 yds. (Yellow) | See Pricing Table below for additional options.
  • Price
    $ Price/photo will update once color & size have been chosen.
Before ordering, please read the "Product Description & Specs" tab content for more information about this item.

Product Description

Jaybird & Mais 50 Foam Underwrap has a thin polyurethane foam substrate that is strong and highly porous. Non-adhesive foam underwrap or pre-wrap tape is used directly on the skin as a base under adhesive sports medicine tapes to aid with painless tape removal and to prevent tape from chafing or irritating the skin due to prolonged adhesive contact. This pre-taping item can also be used to help secure bandages and ice packs and also to provide comfort inside ski and hiking boots. Hand tearable and made in USA. This tape is designed for topical (external human) purposes only. Offered in colors: blue, charcoal grey, green, natural, orange, pink, red and yellow. Made in the U.S.


Technical Information

Jaybird & Mais 50 Foam Underwrap / Pre-Wrap
  • Carrier/Backing: polyurethane foam
  • Adhesive: N/A
  • Thickness: 25 mils (carrier)   What is mil thickness?
  • Core: 1" diameter
Note: Specifications are those given by manufacturers and are not tested for accuracy.

Alert Roll Sizes/Widths

Please note that tape rolls are NOT guaranteed to be splice-free. Tape rolls are typically cut to standard tape industry metric-cut sizes - or approx 5% narrower than the nominal size (i.e. 24mm per 1-inch of nominal width ordered).

Download Datasheets

Download Datasheets

The following downloads are available for this product:

Download Product Data Sheet

50 Standard sizes


2-3/4 in. x 30 yds.

50/ 2753048

Single Roll (1-47 Rolls)

1 - 2 Cases (48-143 Rolls)

3 - 5 Cases (144-287 Rolls)

6+ Cases (>= 288 Rolls)


a 38% discount

a 39% discount

a 40% discount





Nominal Tape Widths vs Actual Widths

Nominal vs. Actual Widths Zoom In

Tape rolls are cut to standard tape industry metric widths of approx. 24mm per 1-inch of nominal width ordered. As a result ACTUAL tape widths are normally 5% narrower than the NOMINAL width shown in inches. Examples:

  • 1" Nominal width = 15/16" (24mm) Actual width
  • 2" Nominal width = 1-7/8" (48mm) Actual width
  • 3" Nominal width = 2-13/16" (72mm) Actual width

Note that tape rolls are NOT guaranteed to be splice-free.

Question & Answers

User Reviews

[ viewing reviews 1 through 3 of 3 total ]
Sonya L. Verified Buyer Sep 10, 2018
Foam pre wrap
Jaybird & Mais 50 Foam Underwrap / Pre-Wrap
Good quality pre wrap, easy to order and came quickly. I will definitely be ordering again from Find Tape.
Richard B. Verified Buyer Jan 12, 2018
Jaybird & Mais 50 Foam Underwrap / Pre-Wrap
Cynthia H. Verified Buyer Oct 05, 2017
Perfect color and great product
Jaybird & Mais 50 Foam Underwrap / Pre-Wrap
Exactly what we needed! The colors were exactly as described and the pre-wrap was good quality. Shipped quickly.
Jaybird & Mais 50 Foam Underwrap / Pre-Wrap
Made in the USA
hot melt rubber (synthetic)
Offers the widest range of application flexibility available. Exhibits excellent processing performance whether manually or automatically applied. Has superior tensile strength, adhesion properties and holding force which ensures consistent, reliable seals. Hot melt adhesive will bond faster to a surface which is referred to as quick-grab or quick-stick. It typically has higher tack (will feel stickier to the touch), but is also softer. It has lower heat resistance, shear resistance, and sometimes UV resistance than an acrylic adhesive. NOTE: it is called hot melt because the adhesive is applied hot by the manufacturer and then hardens as it cools (you do not need to apply heat to the tape yourself).
natural rubber
Properties are similar to that of hot melt rubber, but natural rubber often holds where other adhesives won't (recycled fibers, dust, cold, heat and heavy loads). It provides good overall adhesion and moisture resistance.
Offer excellent performance, especially for applications in temperatures less than 40°F and greater then 120°F. It provides excellent clarity, has high shear strength, is usually more permanent/durable even when exposed to moisture, and it ages well over extended periods in fluorescent and sunlight. Since it remains clear for the life of the application and does not yellow over time it is ideal for applications such as sealing white cartons. While it has good initial adhesion it does take 24-48 hours to cure and to achieve its maximum bond strength (has gradual adhesion buildup). Another difference between hot melt rubber and acrylic adhesive is if you fold tape over making the two adhesive sides touch the acrylic adhesive will remain attached to the carrier (e.g. paper, film) while a hot melt adhesive will stick to itself and pull off of the carrier. It is the best choice for clarity, UV resistance and aging characteristics.
Is great for extreme temperature applications since silicone adhesive can work in continuous operating temperatures from -100°F to 500°F. They also exhibit good chemical resistance, retain electrical properties, and remove cleanly with little or no residue.
zinc oxide
Zinc oxide based adhesive formula is a skin-friendly adhesive which is commonly used on sports medicine tapes.
Thickness, AKA caliper or gauge, refers to the distance from one surface of a tape backing, or adhesive, to the other.
1 mil = 1/1000 of an inch
Examples: 1/16 inch = 62.5 mils; 1/32 inch = 31.25 mils
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