Safe Material: High quality plastic bowl covers are made with high pressure technology and food-grade PE material, free of BPA, very transparent, large bowl covers temperature range -76°F to 230°F. Package includes 100pcs large bowl covers and a handy storage bread bag with resealable top to hold the bowl covers, convenient for access and storage. Compatible with All Size Bowls: When the bowl cover is fully opened, the circle diameter is 13 inches, fit any size bowls up to 13 inches, each covers weighs 3g, strong material. Large bowl covers with elastic all round the edges, the elastic is easily stretched over plates or bowls and makes a good seal around the lip of the bowl. Great Covers for Sourdough: Clear shower caps for sourdough can prevent the dough from drying out during the proofing process, create the best environment for the dough to ferment, makes your sourdough making so much easier.they could be washed a reused if needed. Bowl Covers for Bread Proofing: Bowl covers can be used very well with the banneton bread proofing basket, save cleanup time keep food from picking up extra flavors in the fridge while keeping our foods safe from dust, dog hair, and flying creatures. Wide Application: Multifunctional bowl covers are must-have kitchen gadget and a great alternative to tinfoil and clingfilm, they work beautifully on covering plates and bowls of food for quick storage.use it to cover the dough when baking, or use it to cover cold plates, salad, and so much more to keep it fresh and clean during for barbecue, yard parties, picnic or indoor food. 100pcs Large Bowl Covers for Bread Proofing Baskets, Fits Bowls Up to 13", BPA Free, Food Grade, Shower Caps Sourdough Bread Baking Supplies Accessories