last-items trespass TRESPASS MARINE SWIM BAG £14.39 Fun kids backpack with a funky 3D marine design including fins! Perfect for swimming club or the nursery, the 6.5 litre capacity has plenty of room for toys, books or goggles. Lightweight and waterproof, includes adjustable shoulder straps. Backpack specifications: Size H35, W29, D10cm. 6.5 litre capacity. Weight 0.32kg. Material: neoprene. Backpack features: Adjustable and padded shoulder strap. Splashproof. waterproof.