Wilson Girls' Prism Play Tech Tee (White) Size (US):XS level and has long durability

level and has long durability

This means PVC is tougher material

Tecnifibre's X-One Biphase uses a heating process (H2C) which increases the cohesion between molecules allowing this string to have excellent power and exceptional feel

Head Boom Pro Grommet Specs:

Wilson Girls' Prism Play Tech Tee (White) Size (US):XS level and has long durabilityThe Prism Play Tech Tee flashes the silhouette of a female tennis player across the front chest to inspire junior girls to play their best on the court. Featuring a soft polyester cotton blend knit body, this crew neck turns heads with a colorful appeal. Composition: BODY: 50% Polyester, 50% Cotton; RIB PART: 48% Cotton, 48% Polyester, 4% Elastane (Spandex) Product Code: WRA782101