Made from premium PE and PA material with self-seal design, odorless and non-toxic, good air tightness and leak proof. APPROVED FOOD SAFE -- approved food-safe material, High-temperature resistance, reusable food storage bag, freezer bags at home. The vacuum bags also will be the best gift for the sous vide cooking amateur or your friend. EASY TO USE & CLEAN -- Put your food into the sous vide vacuum bags, seal it by using the clip and pump out the air through the valve. As for daily maintenance, the vacuum food storage bags are easy to clean with vinegar, dish soap and warm water then store it in a clean and dry place before using it again. EAT FRESH FOOD ANYTIME, ANYWHERE -- Reinforced and thick double zipper bags for sous vide. You can use it at home or take the food vacuum seal bags to anywhere and anytime, camping and picnics; hunting and fishing; Keep fresh ingredients, improve quality of life and reject waste. COMPLETE ACCESSORIES -- Comes with small/medium/large sizes,30 sous vide bags(21x20cm,26x28cm,26x34cm),(NOTE: Pump is NOT included),4 clips(1.2x4cm),will meet all your demand in your food storage or sous vide cooking. colour: blue + white Material: PE+PA Package Contents: 30 x vacuum bags (large/medium/small each 10) 4 x clips Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.